Warning: site is in maintainance mode, data may not be accurate and some queries may not work!
Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
276-225VAUNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA (Lumen Technologies, Inc)0001770122RMD00063944511MORRISONCYKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
276-225 is split into 1,000-number blocks - detail below
276-225-0XXXVAUNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA (Lumen Technologies, Inc)0001770122RMD00063944511MORRISONCYKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
276-225-1XXXVAUNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA (Lumen Technologies, Inc)0001770122RMD00063944511MORRISONCYKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
276-225-2XXXVAUNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA (Lumen Technologies, Inc)0001770122RMD00063944511MORRISONCYKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
276-225-4XXXVAUNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA (Lumen Technologies, Inc)0001770122RMD00063944511MORRISONCYKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
276-225-7XXXVAUNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA (Lumen Technologies, Inc)0001770122RMD00063944511MORRISONCYKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
276-225-8XXXVAUNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA (Lumen Technologies, Inc)0001770122RMD00063944511MORRISONCYKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
276-225-9XXXVAUNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA (Lumen Technologies, Inc)0001770122RMD00063944511MORRISONCYKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-224TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-229TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-230TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-245TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-246TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-247TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-378TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-390TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS008/13/2002Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-390 is split into 1,000-number blocks - detail below
423-390-2XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-390-3XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-390-4XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-390-5XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-390-6XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-390-7XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-392TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-408 is split into 1,000-number blocks - detail below
423-408-7XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS008/16/2010Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-578TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-578 is split into 1,000-number blocks - detail below
423-578-1XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-578-2XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-578-3XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-578-5XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-578-6XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-578-8XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-578-9XXXTNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS0N/APrefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
423-857TNUNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc)0001770122RMD00063944510KINGSPORTKGPTTNXADS000/00/0000Prefix Type: ICO
Switch Name: KINGSPORT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Bristol-Johnson City TN (956)
Tandem: N/A
🔧 Explore Switch(CLLI: KGPTTNXADS0))
🕘 Prefix History
🔎 Explore Carrier Information
This information is not guaranteed to be accurate. User assumes all risk for any loss or gain resulting from use of this data.
Although I strive for accuracy and prompt updates of changed information, it is possible that there may be errors. If you see one, could you please report it?
Please report all errors, flames, questions, suggestions, and thanks to Paul Timmins
L'exactitude de ces renseignements n'est pas garantie. L'utilisateur assume l'entière responsabilité des pertes ou des gains découlant de l'utilisation de ces données.
Bien que je m'efforce d'assurer l'exactitude des informations et de les mettre à jour rapidement, des erreurs peuvent subsister. Si vous en voyez une, veuillez me la signaler.
Veuillez adresser vos commentaires, remarques, questions, suggestions et remerciements à Paul Timmins
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2026, Paul Timmins/Timmins Technologies, LLC. All rights reserved
Website Design and User Interface ©2010, Adam Botbyl/Revolutionary Solutions, LLC.
Colocation generously provided by Clear Rate Communications, Inc
Has this site changed your life? Made your job easier? I always love Fanmail and Suggestions.